Human cells' intricate DNA repair system reveals potential cancer vulnerabilities

PHYSorg
Apr 9, 2025, 11:03 am122 pts
The DNA of human cells consists of a sequence of about 3.1 billion building blocks. Cells go to great lengths to maintain the integrity of this vast store of information. They constantly untangle knots in the DNA strand and create new chemical bonds when a strand of DNA breaks somewhere in the nucleus.

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